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Mini Hermet Pressure Switch
Brand: SOR Inc
The Mini Hermet Pressure Switch is a robust field-mounted instrument.
The pressure sensing assembly is similar to a conventional SOR type. The main difference is that the switching element assembly is hermetically sealed in an explosion proof steel capsule.
Switching elements are SPDT or DPDT.
This pressure switch is suitable for a variety of process applications in hazardous locations and hostile environments where stainless steel exterior parts are required and where space is limited.
Basic models with standard wetted parts are normally suitable for air, oil, water and non-corrosive process fluids.
Features- Robust Construction - High cycle rate tolerance, long life, not critical to vibration, protected internal hermetically sealed switching element capsule.
- Instrument Quality - High resolution of Set Points, high repeatability, narrow dead band, negligible temperature effect, high overrange and proof pressures.
- Explosion Proof Hermetically Sealed Switching Capsule - Isolates switching elements from corrosive, hostile and hazardous environments and virtually eliminates problems from corrosion.
- Field Adjustable Set Points - Full range adjustability without disconnecting electrical power while maintaining explosion proof integrity, self-locking adjustment, no charge for factory calibration.
- Cost Effective - Simple, fast installation without special tools, long service life. Periodic service or spare parts not required.
- Agency Listings/Certification - Select models with ATEX, CSA, INMETRO, Rostechnadzor (RTN), SAA, UL. Meets most code and customer requirements.
- Safety Certified to IEC 61508 (SIL) - SOR products are certified to IEC 61508 for non-redundant use in SIL1 and SIL2 Safety Instrumented Systems for most models.
- Built-In Quality - Rigid quality standards maintained from raw material to finished product.
Specifications
Brand
Adjustment Type
- Field Adjustable
Ambient Temperature Range
- -40° to 75° C (-40° to 167° F)
Approvals & Certifications
- ATEX
- CRN
- CSA
- Dual Seal
- FM
- RTN
- TestSafe
- UL
Deadband, Approximate
- bar: 0.114 to 20.27
- kPa: 11 to 2,027
- psi: 1.6 to 294
Diaphragm Material
- 316L Stainless Steel
- Buna-N
- Carpenter 20 Stainless Steel
- Ethylene Propylene (EPR)
- Hastelloy B
- Hastelloy C
- Kalrez
- Monel
- Neoprene
- Tantalum
- Teflon-Coated Polyimide
- Viton
Electrical Connectors
- 1/2” NPT Female Universal Terminal Box
- 1/2” NPT Male
- 18 AWG x 18” Leadwires
- 3/4” NPT Female Explosion-proof & Weathertight Electrical Junction Box
- M20 x 1.5 F Universal Terminal Box
Electrical Contacts
- Gold
- Standard
Electrical Rating
- 1 A at 125 AC, 1 A at 30 DC
- 11, 5 A at 250 AC, 0.5, 5 A at 125/30 DC
Enclosure, Body Material
- Copper-Free Aluminum
- Stainless Steel
Environmental Protection
- IP65
- IP66
- IP67
- NEMA 4, 4X / IP65, 66, 67
- NEMA 4X
NACE & NIST
- NACE MR-0175, ISO 15156
NPT Connection
- 1/2” NPT Female
- 1/4” NPT Female
- 3/4” NPT Female
O-Ring Material
- AFLAS
- Buna-N
- Ethylene Propylene (EPR)
- Kalrez
- Neoprene
- Viton, Viton GLT
Process Connection Material
- 316 Stainless Steel
- 316L Stainless Steel
- 347 Stainless Steel
- Brass
- Carbon Steel Ledloy AX
- Carpenter 20 Stainless Steel / Alloy 20 or Incoloy
- Hastelloy B
- Hastelloy C
- Monel
Proof Pressure
- bar: 170 to 410
- kPa: 17,236 to 41,368
- psig: 2,500 to 6,000
Set Point - Decreasing
- bar: 0.482 to 275.8
- Inches Hg: -30 to 160
- kPa: 48.26 to 27,579
- psi: 7 to 4,000
Set Point - Increasing
- bar: 0.482 to 275.8
- Inches Hg: -30 to 160
- kPa: 48.26 to 27,579
- psi: 7 to 4,000
Switch Type
- DPDT
- SPDT
System Pressure
- bar: 0.4 to 275
- Inches Hg: -30 to 160
- kPa: 48.26 to 27,579
- psi: 7 to 4,000